RESEARCH OF DIGITAL FLICKERMETER BASED ON IEC STANDARD
Yu Hang Han · Proceedings of the CSEE · 2001
In order to develop the flicker meter based on IEC s tandard,the analog model for the flicker meter is implemented under the environm ent of MATLAB according to the functions and design criterion suggested by IEC.C onverting the analog model to a digital system by means of doubele-linearity tr ansformation,the transfer functions and operating structure for the IEC digital flicker meter has been deduced in the first part.A method for fast calculating t he short time flicker values P st is proposed by means of the montonic -dec reasing characteristics of the cumulative probability function (CPF) curve,.At l ast,the calculated results of both digital and analog systems are compared accor ding to the IEC standard and with the help of MATLAB simulation tools,showing th at the digital method can fully satisfy the precision requirement of IEC standar d.